Tracking system

Details Tracking system Tracking system

2009-08-18

2011-10-18

Tran, Khanh C (Department: 2611)

Pulse or digital communications

Receivers

Angle modulation

Reexamination Certificate

active

08040978

ABSTRACT:
The present invention relates to a tracking system comprised in a receiver, which tracking system is operable to track rapid changes in frequency and phase offset. The tracking system comprises a first system operable to perform a pilot-based phase and frequency tracking. The tracking system also comprises a second system operable to perform data-based phase and frequency tracking. The tracking system also comprises a control means connected to said first system and to said second system, which control means is operable to gradually reduce the effect of said first system, i.e. said pilot-based phase and frequency tracking.

REFERENCES:
patent: 7751501 (2010-07-01), Lewis
File History, U.S. Appl. No. 10/848,933, Patent No. 7,751,501, filed May 19, 2004, Sep. 25, 2009 Advisory Action (PTOL-303), Jul. 9, 2009 Final Rejection, May 15, 2007 Non-Final Rejection, Oct. 24, 2007 Non-Final Rejection, Apr. 18, 2008 Non-Final Rejection, Oct. 30, 2008 Non-Final Rejection, Nov. 17, 2009 Non-Final Rejection, and Nov. 17, 2009 Non-Final Rejection.

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